package com.zky.gulimall.ware.config;

import org.springframework.amqp.core.*;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @Description RabbitMq序列化配置
 * @Author 张开源
 * @Date 2022/12/8 11:00
 * @Version 1.0
 **/
@Configuration
public class RabbitMqConfig {

    @Bean
    public MessageConverter messageConverter() {
        return new Jackson2JsonMessageConverter();
    }


    /**
     * RabbitMq中若不存在，则创建,库存解锁延迟队列
     *
     * @return
     */
    @Bean
    public Queue stockDelayQueue() {
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "stock-event-exchange");
        arguments.put("x-dead-letter-routing-key", "stock.release");
        arguments.put("x-message-ttl", 600000);//两分钟
        Queue queue = new Queue("stock.delay.queue", true, false, false, arguments);
        return queue;
    }

    @Bean
    public Queue stockReleaseStockQueue() {
        Queue queue = new Queue("stock.release.stock.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange stockEventExchange() {
        TopicExchange topicExchange = new TopicExchange("stock-event-exchange", true, false);
        return topicExchange;
    }

    @Bean
    public Binding stockReleaseBinding() {
        Binding binding = new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",
                null);
        return binding;

    }

    @Bean
    public Binding stockLockedStockBinding() {
        Binding binding = new Binding("stock.delay.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.locked",
                null);
        return binding;
    }
}
